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双折射材料的温度修正 Birefringent Material Temperature Modification /l$>W<}@ TSAVXng 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: $&[}+?? a 9f%p 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline C.oC@P O#S27. 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline pcjb;&< q3-V_~5^/z 3.Loop over the baseline material samples and determine the number of wavelength entries W=@]YI \dw*yZ^ 4.Loop over each sampled wavelength entry in the baseline material k874t D [`Dv# a.Modify the ordinary and extraordinary refractive index values using (2) above .l(t\BfE~ "OO"Ab{t b.Apply the modified values to the non-baseline material >@9>bI+Q WaYT7 : 5.Set a description on the non-baseline material indicating the temperature change from baseline Erd)P S,~DA3 脚本编程及GUI例程请下载链接: [<p7'n3x Pf?y!dK< http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs Y]gb`z$? sX$EdIq http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd ]Uee!-dZ ?A7_&=J% (R)( %I1Oz QQ:2987619807 S.X*)CBB
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